53042089 has 3 divisors (see below), whose sum is σ = 53049373. Its totient is φ = 53034806.

The previous prime is 53042081. The next prime is 53042107. The reversal of 53042089 is 98024035.

The square root of 53042089 is 7283.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 53042089 - 2³ = 53042081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53042089.

It is not an unprimeable number, because it can be changed into a prime (53042081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3642 + ... + 10924.

Almost surely, 2^53042089 is an apocalyptic number.

53042089 is the 7283-rd square number.

53042089 is the 3642-nd centered octagonal number.

It is an amenable number.

53042089 is a deficient number, since it is larger than the sum of its proper divisors (7284).

53042089 is an frugal number, since it uses more digits than its factorization.

53042089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566 (or 7283 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The cubic root of 53042089 is about 375.7279820128.

The spelling of 53042089 in words is "fifty-three million, forty-two thousand, eighty-nine".